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structure of 7440-47-3

Chromium(CAS 7440-47-3)

CAS No.: 7440-47-3 Brand: MolBest
M. Ft.: Cr Cat. No: G2286100
M. Wt.: 52 MDL: MFCD00010944
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 8112210000 UN No.: UN 2924 3 /PG II
Purity Grade Package Stock Price Quantity
99%,<45μm,powder
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RG 25G In Stock 5 USD
99%,<45μm,powder
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RG 100G In Stock 18 USD
99%,<45μm,powder
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RG 500G In Stock 51 USD
99%,<45μm,powder
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RG 2.5KG In Stock 330 USD
99%,<45μm,powder
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RG 10KG In Stock 1209 USD
99.5%,-100mesh,powder
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RG 25G In Stock 6 USD
99.5%,-100mesh,powder
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RG 100G In Stock 12 USD
99.5%,-100mesh,powder
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RG 500G In Stock 30 USD
99.5%,-100mesh,powder
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RG 2.5KG In Stock 231 USD
99.5%,-100mesh,powder
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RG 10KG In Stock 910 USD
99.5%,200mesh,powder
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RG 25G In Stock 6 USD
99.5%,200mesh,powder
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RG 100G In Stock 12 USD
99.5%,200mesh,powder
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RG 500G In Stock 33 USD
99.5%,200mesh,powder
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RG 2.5KG In Stock 231 USD
99.5%,200mesh,powder
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RG 10KG In Stock 909 USD
99.5%,300mesh
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RG 25G In Stock 5 USD
99.5%,300mesh
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RG 100G In Stock 17 USD
99.5%,300mesh
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RG 500G In Stock 50 USD
99.5%,300mesh
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RG 2.5KG In Stock 339 USD
99.5%,300mesh
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RG 10KG In Stock 1228 USD
99.9%,Diameter 1cm-3cm
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Extra Pure 100G In Stock 7 USD
99.9%,Diameter 1cm-3cm
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Extra Pure 500G In Stock 16 USD
99.9%,Diameter 1cm-3cm
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Extra Pure 2.5KG In Stock 81 USD
99.9%,Diameter 1cm-3cm
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Extra Pure 10KG In Stock 502 USD
99.95%,-300mesh,powder
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Extra Pure 25G In Stock 11 USD
99.95%,-300mesh,powder
Documents:COASDS
Extra Pure 100G In Stock 15 USD
99.95%,-300mesh,powder
Documents:COASDS
Extra Pure 500G In Stock 66 USD
99.95%,-300mesh,powder
Documents:COASDS
Extra Pure 2.5KG In Stock 264 USD
99.95%,-300mesh,powder
Documents:COASDS
Extra Pure 10KG In Stock 1515 USD
99.95%,200mesh
Documents:COASDS
Extra Pure 25G In Stock 11 USD
99.95%,200mesh
Documents:COASDS
Extra Pure 100G In Stock 15 USD
99.95%,200mesh
Documents:COASDS
Extra Pure 500G In Stock 67 USD
99.95%,200mesh
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Extra Pure 2.5KG In Stock 265 USD
99.95%,200mesh
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Extra Pure 10KG In Stock 1534 USD
99.99%
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Extra Pure 5G In Stock 6 USD
99.99%
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Extra Pure 25G In Stock 20 USD
99.99%
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Extra Pure 100G In Stock 68 USD
99.99%
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Extra Pure 500G In Stock 278 USD
99.99%,-325 mesh
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Extra Pure 25G In Stock 9 USD
99.99%,-325 mesh
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Extra Pure 100G In Stock 25 USD
99.99%,-325 mesh
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Extra Pure 500G In Stock 99 USD
99.99%,-325 mesh
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Extra Pure 2.5KG In Stock 369 USD
granular,99.95%,1-3mm
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Extra Pure 25G In Stock 9 USD
granular,99.95%,1-3mm
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Extra Pure 100G In Stock 22 USD
granular,99.95%,1-3mm
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Extra Pure 500G In Stock 59 USD
granular,99.95%,1-3mm
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Extra Pure 2.5KG In Stock 268 USD
granular,99.95%,1-3mm
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Extra Pure 10KG In Stock 937 USD
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Applications of 7440-47-3

Chromium has numerous applications across various industries:

  • Stainless Steel Production: Chromium is a key alloying element that enhances corrosion resistance.
  • Chrome Plating: Used for decorative and protective coatings on automotive parts and household fixtures.
  • Dyes and Pigments: Chromium compounds provide vibrant colors for paints and textiles.
  • Tanning Agents: Chromium(III) salts are widely used in leather tanning processes.
  • Catalysts: Employed in various

Physical and chemical properties of 7440-47-3

Boiling Point

4788 °F

carcinogen classification

3 (Vol. Sup 7, 49) 1990

Density

7.14

Exact Mass

51.94050

Flash Point

50 °F

Melting Point

3452 °F

Merck

13,2252

Molecular Formula

Cr

Molecular Weight

51.99610

Odor

Odorless

pH

Bivalent chromium compounds are basic; trivalent chromium compounds are amphoteric; hexavalent chromium compounds are acidic

resistivity

12.7 μΩ-cm, 20°C

Stability

Stable. Incompatible with carbonates, strong bases, mineral acids, lithium, sulfur dioxide, strong acids.

Storage condition

no restrictions.

Vapour Pressure

0 mmHg (approx)

Water Solubility

Insoluble in water.

Retrosynthesis analysis of 7440-47-3

  • Route#1

    Cas:7440-47-3
  • Route#2

    Cas:12212-68-9
    Cas:7440-47-3
  • Route#3

    Cas:12083-24-8
    Cas:7440-47-3

Q&A for CAS 7440-47-3

1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.

2. What is the delivery time?
Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.

3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.

4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.

5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.

6. Are volume discounts available?
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7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.

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Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.

9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.

10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.

11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.

12. What payment methods do you accept?
We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.

Download SDS of 7440-47-3

Pictograms

Signal Word

Danger

Hazard Statements

H317 May cause an allergic skin reaction
H319 Causes serious eye irritation
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled

Safety Data Sheet

Operate under the ISO 9001 system